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Post by pxranger on Mar 17, 2012 22:54:17 GMT -8
Can anyone clear up something for me? I have read that Hornady 6.5 grendel factory loads are slightly oversize, and will not cycle in some chambers. is this a bunch of hogwash or what? seems unlikely that Hornady would sell brass that was out of spec.
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Post by Master Yoda on Mar 18, 2012 7:20:45 GMT -8
It may be that the brass is on the out side ( largest dia) and the chamber in question is on the inside (smallest dia) each is within the acceptable tolerance range so neither is incorrect but they do not work well together. The correct term is "tolerance stacking"
Assuming all parts in question are factory new?
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Post by pxranger on Mar 18, 2012 9:15:16 GMT -8
That seems probable, most of the reports of problems I have seen involved older chambers, I assume that some early chambers were cut to a different spec than the standard now.
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Post by GLSHOOTER on Mar 18, 2012 10:07:14 GMT -8
That seems probable, most of the reports of problems I have seen involved older chambers, I assume that some early chambers were cut to a different spec than the standard now. Actually there was BOLT change in depth from 0.125 to 0.135 some time ago. The chambers were then cut less deep than before to adjust for the 0.010 difference. Some guys were cutting very minimal chambers to start with. I think that they have gotten smarter at this point. Of course to really get the performance and flexibility of the 6.5 you will have to handload. And, it makes it AFFORDABLE!!!  Master Yoda points out the tolerance stacking that many times causes issues in guns/parts that are in-spec but not when combined for overall tolerance/fit. Greg |
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Post by pxranger on Mar 18, 2012 16:43:52 GMT -8
I can see where having a type 1 bolt in a type 2 chamber could be a bad thing. One of the complaints about this ammo involved it not chambering and leaving land marks on the bullet.
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